Home / 1,000,493.71-1,500,782.09-290,521.75

Finding the Fourth Proportional to 1,000,493.71, 1,500,782.09 and 290,521.75

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Solution

The fourth proportional to 1,000,493.71, 1,500,782.09 and 290,521.75 is: 435,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,493.71 : 1,500,782.09 = 290,521.75 : x
  2. Step 2: Convert to fraction form
    1,000,493.71/1,500,782.09 = 290,521.75/x
  3. Step 3: Cross multiply
    1,000,493.71x = 1,500,782.09 × 290,521.75
  4. Step 4: Simplify right side
    1,000,493.71x = 436,009,839,155.46
  5. Step 5: Solve for x
    x = 436,009,839,155.46/1,000,493.71
  6. Step 6: Final answer
    x = 435,794.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.